All data uploaded in excel files

Viscosity of 10 and 20 wt % peK and 0.35, 0.5 and 0.75 wt% GG has been measured by a shear rate ramp and a temperature ramp - both files included. n=3
Ink stability has been measured using contact angle and surface tension of 10 and 20 wt % peK and 0.35, 0.5 and 0.75 wt% GG on a glass substrate. n=3
Ink stability has been further measured of 20 wt % peK and 0.35 wt % GG using contact angle on a cast hydrogel substrate. n=3
Transparency of hydrogels measured using percentage light transmittance of cast and printed constructs n=2